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EPPP Psychology

Category - Research Methods and Statistics

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The situation in which taking a pre-test affects the participants’ post-test scores is called:

Testing
Instrumentation
History
Maturation

Explanation

Answer: A - Testing is where taking a pre-test can affect participants’ post-test scores.
Testing threatens a study’s internal validity when exposure to a test has an effect on the participant’s post-test scores. Instrumentation, history, and maturation don’t play such roles.

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